import javax.swing.JFrame;

public class Simple extends JFrame {
	
	public Simple() {
		
		setSize (300, 200);
		setTitle ("Simple");
		SetDefaultCloseOperation (EXIT_ON_CLOSE);
	}
	
	public static void main (String[] args) {
		
		Simple simple = new Simple();
		simple.setVisible((true);
	}
}